HTRC11001T Просмотр технического описания (PDF) - Philips Electronics

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производитель

HTRC11001T

HITAG reader chip

Philips Electronics 

Philips Semiconductors

HITAG reader chip

Product specification

HTRC11001T

8.8.7 COMMAND SET_CONFIG_PAGE

NAME

Command

BIT 7

0

BIT 6

1

BIT 5

P1

BIT 4

P0

BIT 3

D3

BIT 2

D2

BIT 1

D1

BIT 0

D0

This command is used to set the filter and amplifier parameters (cut-off frequencies and gain factors) and to select the

operation mode. Bits P1 and P0 select one of four configuration pages.

Table 2 Configuration page bit names

COMMAND

BIT

PAGE NUMBER

7

6 P1 P0

D3

D2

D1

D0

SET_CONFIG_PAGE 0

0

1

0

0 GAIN1

GAIN0

FILTERH

FILTERL

SET_CONFIG_PAGE 1

0

1

0

1 PD_MODE PD

HYSTERESIS TXDIS

SET_CONFIG_PAGE 2

0

1

1

0 THRESET ACQAMP FREEZE1

FREEZE0

SET_CONFIG_PAGE 3

0

1

1

1 DISLP1

DISSMART- FSEL1

COMP

FSEL0

Table 3 Description of the configuration page bits

BIT NAME VALUE

DESCRIPTION

FILTERL

FILTERH

GAIN0

GAIN1

TXDIS

HYSTERESIS

PD

main low-pass cut-off frequency

0 fL = 3 kHz

1 fL = 6 kHz

main high-pass cut-off frequency

0 fH = 40 kHz

1 fH = 160 kHz

amplifier 0 gain factor

0 gain = 16

1 gain = 32

amplifier 1 gain factor

0 gain = 6.22

1 gain = 31.5

disable coil driver

0 coil driver active

1 coil driver inactive

data comparator hysteresis

0 hysteresis OFF

1 hysteresis ON

Power-down mode enable

0 device active

1 device power-down

INITIAL

VALUE

0

0

0

1

0

0

0

2001 Nov 23

10

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